Share/Like This Page
Print Instructions

NOTE: Only your test content will print.
To preview this test, click on the File menu and select Print Preview.




See our guide on How To Change Browser Print Settings to customize headers and footers before printing.

Percent Composition (Grades 11-12)

Print Test (Only the test content will print)
Name: Date:

Percent Composition

Instructions: The following questions require the use of the Periodic Table.

1. 
What is the percent composition of carbon in potassium acetate, [math]KCH_3COO[/math]?
  1. 24.5%
  2. 3.49%
  3. 34.9%
  4. 2.86%
 
2. 
In which of the following compounds is the percent composition of silver equivalent to 75.3%
  1. silver nitrate
  2. silver chloride
  3. silver acetate
  4. silver fluoride
3. 
What is the percent composition of aluminum in aluminum chloride?
  1. 20.2%
  2. 43.2%
  3. 27.6%
  4. 52.3%
 
4. 
What is the percent composition of lithium in lithium chloride?
  1. 33.0%
  2. 49.5%
  3. 16.5%
  4. None of the above
5. 
What is the percent composition of chlorine in barium chloride?
  1. 65.8%
  2. 32.9%
  3. 17.05%
  4. 34.1%
 
6. 
What is the percent composition of calcium in calcium oxide?
  1. 57.8%
  2. 28.6%
  3. 71.4%
  4. 35.7%
7. 
What is the percent composition of oxygen in carbon monoxide?
  1. 42.8%
  2. 57.1%
  3. 21.4%
  4. 28.55%
 
8. 
What is the percent composition of nitrogen in dinitrogen monoxide?
  1. 15.9%
  2. 31.8%
  3. 63.6%
  4. 36.4%
9. 
Determine the percent composition of water in copper (II) sulfate pentahydrate, [math]CuSO_4 • 5H_2O[/math].



 
10. 
Determine the percent composition of sodium in sodium fluoride, NaF.



You need to be a HelpTeaching.com member to access free printables.
Already a member? Log in for access.    |    Go Back To Previous Page